code: def get(self, callback_name):
      for cb in self.callbacks:
          if cb.name == callback_name:
              return cb
      return None
  
file_path: mljar-supervised/supervised/callbacks/callback_list.py
label_desc: Use image node_id 8 for calling the CallbackList obj's underlying member method code with example usage: obj.get(callback_name) and returns: None, cb